510(k) · Cleared
Recalled · Class II · 2021Aloka Arietta 850
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Hitachi Healthcare Americas Corporation · IYN System, Imaging, Pulsed Doppler, Ultrasonic
Cleared on Oct 31, 2017 as substantially equivalent to K134016 (Hitachi Aloka Medical,Ltd. (Hitachi Aloka Medical, 2014) after a 145-day review. Its family tree reaches back 14 generations to 1995. 8 later devices descend from it. It has been recalled once.
- Decided
- Oct 31, 2017
- Review
- 145 days
- Class
- Class II
- Product code
- IYN
- Recalls
- 1
- Predicates
- 1
Its longest line of descent runs back 14 generations to K935595 (1995). 80 ancestors in all, the oldest K891689 (1989). 8 later devices descend from it, 1 citing it directly.
- Root · 14 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 10 generations between
- 3 generations backK093466 HI Vision Preirus Doagnostic Ultrasound Scanner Model HI Vision…Hitachi Medical Systems America, Inc. · 2010 · Recalled
- 2 generations backK110673 HI Vision Ascendus Diagnostic Ultrasound ScannerHitachi Medical Systems America, Inc. · 2011
- 1 generation backK134016 Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound ScannerHitachi Aloka Medical,Ltd. (Hitachi Aloka Medical · 2014 · Recalled
- This deviceK171708 Aloka Arietta 850Hitachi Healthcare Americas Corporation · 2017
- Descendant · cites it directly · 7 of its ownK173739 Aloka Arietta 850Hitachi Healthcare Americas Corporation · 2018 · Recalled
- Descendant · 2 generations on · 3 of its ownK181376 Arietta 65Hitachi Healthcare Americas Corporation · 2018 · Recalled
- Descendant · 2 generations on · 2 of its ownK183456 Aloka Arietta 850Hitachi Healthcare Americas · 2019 · Recalled
- Descendant · 3 generations on · 1 of its ownK190248 Arietta 50Hitachi Healthcare Americas · 2019
- Descendant · 3 generations on · 0 of its ownK231941 ARIETTA x10FUJIFILM Healthcare Americas Corporation · 2023
Show all 14 generations
- Root · 14 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 13 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
- 12 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
- 11 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
- 10 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
- 9 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
- 8 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 7 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 6 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
- 5 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
- 4 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
- 3 generations backK093466 HI Vision Preirus Doagnostic Ultrasound Scanner Model HI Vision…Hitachi Medical Systems America, Inc. · 2010 · Recalled
- 2 generations backK110673 HI Vision Ascendus Diagnostic Ultrasound ScannerHitachi Medical Systems America, Inc. · 2011
- 1 generation backK134016 Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound ScannerHitachi Aloka Medical,Ltd. (Hitachi Aloka Medical · 2014 · Recalled
- This deviceK171708 Aloka Arietta 850Hitachi Healthcare Americas Corporation · 2017
Showing 5 of 8 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 8 · See all- K173739Aloka Arietta 850Hitachi Healthcare Americas Corporation · 2018 · cites it directly7descendants
- K181376Arietta 65Hitachi Healthcare Americas Corporation · 2018 · 2 generations on3descendants
- K183456Aloka Arietta 850Hitachi Healthcare Americas · 2019 · 2 generations on2descendants
- K190248Arietta 50Hitachi Healthcare Americas · 2019 · 3 generations on1descendant
- K231941ARIETTA x10FUJIFILM Healthcare Americas Corporation · 2023 · 3 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −14 | K935595 | Acuson Model 3001 | Acuson Corp. | 1995 | — |
| −13 | K973767 | Harmonic Imaging with Contrast | Acuson Corp. | 1997 | — |
| −12 | K022567 | Sequoia Signature II Diagnostic Ultrasound System | Acuson Corp. | 2002 | — |
| −11 | K032114 | Sequoia 8.0 Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2003 | — |
| −10 | K041319 | Sequoia Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2004 | — |
| −9 | K042770 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2004 | 1 |
| −8 | K050240 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −7 | K052894 | Sonoline G60 S Ultrasound System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −6 | K063138 | Modification to Acuson Antares Ultrasound System | Siemens Medical Solutions USA, Inc. | 2006 | — |
| −5 | K063803 | Acuson Antares Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc., Ultrasound DI | 2007 | 9 |
| −4 | K072786 | Acuson S2000 Ultrasound System | Siemens Medical Solutions USA, Inc. | 2007 | — |
| −3 | K093466 | HI Vision Preirus Doagnostic Ultrasound Scanner Model HI Vision Preirus | Hitachi Medical Systems America, Inc. | 2010 | 1 |
| −2 | K110673 | HI Vision Ascendus Diagnostic Ultrasound Scanner | Hitachi Medical Systems America, Inc. | 2011 | — |
| −1 | K134016 | Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound Scanner | Hitachi Aloka Medical,Ltd. (Hitachi Aloka Medical | 2014 | 2 |
| 0 (this device) | K171708 | Aloka Arietta 850 | Hitachi Healthcare Americas Corporation | 2017 | — |
| +1 | K173739 | Aloka Arietta 850 | Hitachi Healthcare Americas Corporation | 2018 | 2 |
| +2 | K181376 | Arietta 65 | Hitachi Healthcare Americas Corporation | 2018 | 1 |
| +2 | K183456 | Aloka Arietta 850 | Hitachi Healthcare Americas | 2019 | 3 |
| +3 | K190248 | Arietta 50 | Hitachi Healthcare Americas | 2019 | — |
| +3 | K231941 | ARIETTA x10 | FUJIFILM Healthcare Americas Corporation | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 1 | 0 |
| 1992 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 4 | 0 |
| 2003 | 7 | 0 |
| 2004 | 10 | 0 |
| 2005 | 5 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2011 | 1 | 0 |
| 2013 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2018 | 2 | 0 |
| 2019 | 3 | 0 |
| 2020 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in IYN? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new IYN device
- #1 K240850 EPIQ Series Diagnostic Ultrasound Systems…score 32.1 · 24 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K134016 | Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound ScannerSummary page 4…ageal (Adult/Pediatric) Pg Pg Pg Pg Pg Pg Pg Other (spec.) Peripheral Peripheral vessel P P P P P P P Vessel Other (spec.) N = new indication; P = previously cleared in K134016, K160559 and K153421 *Combination of each operating mode, B, M, PWD, CWD and Color Doppler. B/B, B/M, B/PW, CFM-B/CFM-B, CFM-B/C… | 2014 |
| † | K162583 | Aloka Lisendo 880 | 2016 |
| † | K160559 | NOBLUS™ Ultrasound Diagnostic System | 2016 |
| † | K153421 | HI Vision Ascendus, HV Ascendus, Ascendus | 2016 |
What descends from it? (8)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K173739 | Aloka Arietta 850 | 2018 | 7 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Oct 14, 2021 | Class II | Z-0190-2022 | Software design | Diagnostic ultrasound system with the specified software version and used in conjunction with a Fujifilm (formally Hitachi) transducer does not display the measurement results correctly with two cardiology measurement functions: Mitral… |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 22 years and passes through 6 companies; a new generation was cleared every 12 months on median.
- 19 of the 80 ancestors have a recall of any class.
- Of its descendants, K173739 (Hitachi Healthcare Americas Corporation, 2018) has gone furthest, with 7 descendants of its own.
- 5 other devices also cite its predicate K134016.
How does its category compare?
All IYN devicesIYN System, Imaging, Pulsed Doppler, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.
FDA decisions per year · IYN
57in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · IYN
124in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IYN
10in 2025
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · IYN
610in 2025
MAUDE reports naming product code IYN, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 13 | 26 | 16 | 3 |
| 2008 | 25 | 18 | 12 | 2 |
| 2009 | 18 | 29 | 8 | 9 |
| 2010 | 29 | 67 | 10 | 17 |
| 2011 | 39 | 46 | 8 | 18 |
| 2012 | 43 | 37 | 3 | 20 |
| 2013 | 51 | 60 | 8 | 18 |
| 2014 | 56 | 39 | 2 | 48 |
| 2015 | 54 | 55 | 3 | 116 |
| 2016 | 60 | 56 | 2 | 145 |
| 2017 | 64 | 83 | 0 | 146 |
| 2018 | 59 | 85 | 7 | 85 |
| 2019 | 47 | 79 | 0 | 59 |
| 2020 | 57 | 72 | 4 | 67 |
| 2021 | 46 | 105 | 8 | 213 |
| 2022 | 53 | 105 | 10 | 186 |
| 2023 | 44 | 115 | 4 | 229 |
| 2024 | 50 | 119 | 1 | 266 |
| 2025 | 57 | 124 | 10 | 610 |
| 2026 | 44 | 107 | 2 (1) | — |
What is it indicated for?
The ALOKA ARIETTA 850 is intended for use by trained personnel {doctor, sonographer, etc.) for the diagnostic ultrasound evaluation of Fetal, Abdominal, Intra-operative (Spec.), Pediatric, Small Organ (Spec.), Neonatal Cephalic, Adult Cephalic, Trans-rectal, Trans-vaginal, Trans-esophageal (nen-Card.), Musculo-skel. (Convent.}, Musculo-skel. (Superfic.}, Wound (Cavernous/Non-Cavernous), Gynecology, Cardiac Adult, Cardiac Pediatric, Trans-esophageal…
Read the full statement (89 words)
The ALOKA ARIETTA 850 is intended for use by trained personnel {doctor, sonographer, etc.) for the diagnostic ultrasound evaluation of Fetal, Abdominal, Intra-operative (Spec.), Pediatric, Small Organ (Spec.), Neonatal Cephalic, Adult Cephalic, Trans-rectal, Trans-vaginal, Trans-esophageal (nen-Card.), Musculo-skel. (Convent.}, Musculo-skel. (Superfic.}, Wound (Cavernous/Non-Cavernous), Gynecology, Cardiac Adult, Cardiac Pediatric, Trans-esophageal (card.), and Peripheral vessel clinical applications.
The Modes of Operation are B mode, M mode, PW mode (Pulsed Wave Doppler), CW mode (Continuous Wave Doppler), Color Doppler, Power Doppler (Color Flow Angiography), TDI (Tissue Doppler Imaging), 3D Imaging, and 4D [maging.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K171708 · printed Nov 6, 2026
Cite this page
510(k) Report. “K171708: Aloka Arietta 850.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K171708
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026